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Phenotypes Associated with This Genotype
Genotype
MGI:4437223
Allelic
Composition
En1tm7(cre/ESR1)Alj/0
Fgf8tm1.3Mrt/Fgf8tm1.4Mrt
Genetic
Background
involves: 129P2/OlaHsd * 129S6/SvEvTac
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
En1tm7(cre/ESR1)Alj mutation (1 available); any En1 mutation (34 available)
Fgf8tm1.3Mrt mutation (1 available); any Fgf8 mutation (25 available)
Fgf8tm1.4Mrt mutation (0 available); any Fgf8 mutation (25 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
nervous system
• a reduction of serotonergic neurons in raphe nuclei
• E18.5 revealed a nearly complete loss of the midbrain and the cerebellum
• depletion of dopaminergic neurons at E18.5
• E18.5 revealed a nearly complete loss of the midbrain and the cerebellum
• at E18.5 in the substantia nigra and ventral tegmental area
• at E18.5 a reduction of serotonergic neurons in the raphe nucleus


Contributing Projects:
Mouse Genome Database (MGD), Gene Expression Database (GXD), Mouse Models of Human Cancer database (MMHCdb) (formerly Mouse Tumor Biology (MTB)), Gene Ontology (GO)
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last database update
01/28/2026
MGI 6.24
The Jackson Laboratory